Refrigeration – Utilizing solar energy
Patent
1997-03-20
1998-06-30
Tapolcai, William E.
Refrigeration
Utilizing solar energy
403294, 472 92, F25C 302
Patent
active
057717060
ABSTRACT:
A new ice skating rink for easily and conveniently forming a sheet of ice for ice skating. The inventive device includes a plurality of water holding trays disposed on the ground and connected together using connectors. When the water within the trays freezes, a substantially continuous sheet of ice is formed.
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